California Spec. Vehicles Only

DATA TROUBLE CODE: 12

SYSTEM: G, NE Signal Circuit (No.1) (Ca. specs. Only)

WIRING DIAGRAM




CIRCUIT DESCRIPTION
The distributor in the engine control system contains 3 pick-up coils (G1, G2 and NE).
The G1, G2 signals inform the engine control module (ECM) of the standard crankshaft angle.
The NE signals inform the ECM of the crankshaft angle and the engine speed.

DIAGNOSTIC TROUBLE CODE DETECTING CONDITION
- No NE or G1 and G2 signal to ECM for 2 sec. or more after cranking.
- Open in G (-) circuit.

TROUBLE AREA
- Open or short in NE, G circuit.
- Distributor
- Open or short in STA circuit.
- ECM